Difference Between Diamond and Aquamarine Gemstones

by Carter Toni

Diamonds have a standard quality grading scale for a variety of important characteristics such as color and clarity. Aquamarine, on the other hand, lacks a quality grading system. Some dealers create their personal aquamarine exceptional grading scale to assist clients to locate the first-rate aquamarine. Aside from that, there are many distinctions between aquamarine and diamond. Do you own a gleaming piece of jewelry and are unsure whether the gemstone attached to it is an icy, faint aquamarine or a diamond? Without a doubt, it may be tough to inform the distinction between aquamarine and diamond simply via way of means of searching at them. However, there are a few variations among the 2 superb gemstones.

Consider the important characteristics listed below when deciding between the two as engagement ring stones. We compared aquamarine and diamond primarily based totally on color, sparkle, hardness, clarity, cut, and carat weight so you can buy your favorite ring from any engagement ring in Denver.

The Distinctive Characteristics of Diamond and Aquamarine 

Color Difference

Diamonds of the highest quality are completely colorless. They are alphabetically arranged from D to Z, with D being the purest. The color of beryl family members such as Espirito Santo aquamarine and Santa Maria aquamarine, on the other hand, ranges from pale to light-blue, dark-blue, blue-green, and green-blue. The value of this incredible gemstone rises as the saturation level rises.

Sparkle Difference

When it comes to comparing aquamarine vs diamond, diamond is well-known for its exceptional radiance. Aquamarine also has a lot of glimmers. Aquamarine’s sparkle is easily enhanced because it is easy to cut. Aquamarine that is milky, cracked, or spotted sparkles less than clear aquamarine. A poorly cut aquamarine loses a lot of sparkles, even if it has excellent clarity.

Hardness Difference

On the Mohs scale of hardness, aquamarine has a hardness of 7.5-8. Aquamarine scratches more easily than diamonds because it has a lower hardness.

Diamond is the hardest gemstone, with a hardness rating of ten. Aquamarine has good hardness, though it is not as hard as diamond. It will not be easily scratched. Both aquamarine and diamond are durable enough to be worn every day. 

Cut Difference

The brilliance and sparkle of a diamond are decided via way of means of its cut. The most common cut is the brilliant-cut, which has the most fire in the stone. Aquamarine, like any other member of the beryl family, is best suited for rectangular or square-cutting. It can also be found in common shapes like round, oval, cushion, and pear.

Aquamarine gems weighing more than five carats are typically darker in colour. Accent aquamarine stones are typically lighter in colour. Aquamarine has a lot of rough, so it’s easy to make well-cut stones out of it. As a pleochroic gem, aquamarine exhibits different colours in different crystal directions.

As a diamond interacts with light, each angle and facet influence how much light is returned to the eye. A diamond that has been poorly cut may appear dark and lackluster. Cut influences three optical effects in a diamond: brightness, fire, and scintillation/sparkle. Higher cut grade diamonds have more brilliance and fire.

Clarity Difference

Diamond is unrivaled in terms of clarity. Diamonds are classified based on the presence of inclusions or impurities within the stone. Aquamarine is a transparent and eye-clean gemstone. It does, however, contain inclusions of long, hollow rods, which are a trademark of the beryl family. Diamonds with visible inclusions, on the other hand, are rarely considered fashionable or desirable. A diamond is usually expected to be very clear. As a result, diamond jewellery with no visible inclusions is more expensive.

Low clarity aquamarine is also used in jewellery as a partially polished slice or nugget in a necklace. Aquamarine with high clarity is commonly used in engagement rings to add sparkle and brilliance. Many jewellers like Denver Diamond use tiny diamonds to complement the aquamarine centerpiece in engagement rings.

When it involves contrasting aquamarine vs diamond, ruby is popular for its outstanding brilliance. Aquamarine likewise has a lot of glimmers. Aquamarine’s glimmer is easily enhanced since it is easy to reduce. Aquamarine that is milklike, cracked, or identified sparkles much less than clear aquamarine. An improperly reduced aquamarine sheds a lot of shimmers, even if it has excellent quality.

Carat Weight  Difference

Diamonds are graded based on carat weight, whereas aquamarine, as a colored gemstone, is graded based on clarity, color, purity, and size. The size to weight ratio of the colored stones varies.


Ask the recipient if they are open to other types of gems besides diamonds when deciding between aquamarine and diamond for an engagement ring. Some people prefer diamond engagement rings, while others prefer something more unique or colourful. The beauty of aquamarine engagement rings cannot be overstated. There are also numerous intriguing designs to choose from. You can prefer Denver jewelers to choose your best ring.

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